Antimicrobial Agents and Chemotherapy 2008-03-01

Urine bactericidal activity against Escherichia coli isolates exhibiting different resistance phenotypes/genotypes in an in vitro pharmacodynamic model simulating urine concentrations obtained after oral administration of a 400-milligram single dose of cefditoren-pivoxil.

David Sevillano, Lorenzo Aguilar, Luis Alou, María-José Giménez, Martha Torrico, Natalia González, Fabio Cafini, María-Teresa Relaño, Pilar Coronel, José Prieto

Index: Antimicrob. Agents Chemother. 52 , 1184-6, (2008)

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Abstract

Activity of simulated cefditoren urinary concentrations was determined against seven Escherichia coli isolates. Bactericidal activity was obtained from 4 to 24 h against TEM-1 (penicillinase production/hyperproduction), TEM-34 (IRT-6), and TEM-116 (extended-spectrum beta-lactamase [ESBL]) and from 6 to 8 h against SHV/TEM-116 (ESBL) but never against SHV/TEM-1 (ESBL). Extension of bactericidal activity depended on the resistance genotype/phenotype tested.

Related Compounds

  • PIVMECILLINA...
  • Ciprofloxacin
  • Amoxicillin

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